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Table 2 Comparisons of the clinical characteristics and treatment duration in patients with and without residual lymph nodes on follow-up CT scan after 6 months of antituberculous therapy

From: Characteristics of residual lymph nodes after six months of antituberculous therapy in HIV-negative individuals with cervical tuberculous lymphadenitis

 Non-residual LN (n = 122)Residual LN (n = 35)P-value
Gender (male)27 (22.1%)11 (31.4%)0.269
Age (years, mean ± SD)43.96 ± 15.7433.37 ± 13.36< 0.001
Previous history of TB9 (7.4%)4 (11.4%)0.488
Comorbidity28 (23.0%)3 (8.6%)0.089
Duration of lymphadenopathy (months, mean ± SD)9.36 ± 34.204.39 ± 10.950.187
Location of cervical lymph node  0.769
 Bilateral11 (9.0%)3 (8.6%) 
 Left side46 (37.7%)11 (31.4%) 
 Right side65 (53.3%)21 (60.0%) 
Largest size of the lymph node (mm, mean ± SD)32.77 ± 23.3136.77 ± 29.710.466
Results of the initial diagnostic work-up, n/Na
 Compatible with TB on CT scan, n/Na89/108 (82.4%)26/27 (96.3%)0.077
 AFB positive, n/Na17/77 (22.1%)2/15 (13.3%)0.728
 TB culture positive, n/Na27/63 (42.9%)7/14 (50.0%)0.768
 TB PCR positive, n/Na90/117 (76.9%)26/33 (78.8%)1.00
 Histologic findings indicative of TB, n/Na100/121 (82.6%)30/35 (85.7%)0.800
 Paradoxical reaction during treatment32/122 (26.2%)5/35 (14.3%)0.178
 Duration of anti-tuberculous therapy (months)
  Mean ± SD7.03 ± 2.4011.82 ± 7.46< 0.001
  Median, IQR6 (6–6)9 (8–12)< 0.001
 Recurrence after antituberculous therapy5/122 (4.1%)2/35 (5.7%)0.653
  1. Abbreviation: SD Standard deviation, TB Tuberculosis, CT Computed tomography, AFB Acid-fast bacilli, IQR Interquartile range
  2. aNo. of patients tested